Basic HTML version of Foils prepared July 6 99

Foil 67 Transaction Attribute - II

From Object Web Computing Technologies CPS714 Computational Science Information Track -- June 16 99. by H. Timucin Ozdemir


RequiredNew : Container always starts a new transaction, enlists the resources and commits the transaction as soon as the method call completes. If the client's request is associated with a transaction context, this will be suspended until the container commits the transaction.
Mandatory : method is invoked within a transaction context with that the client request is associated. If the client's request is not associated with any transaction, then the container throws an exception.
Never : method is invoked if the client's request is not associated with any transaction. The container throws an exception if the client's request is associated with one.



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